tests

docs/source/markup.rst

@@ -26,7 +26,7 @@ There is a shorthand for closing a style. If you omit the style name from the cl
 
 These markup tags may be use in combination with each other and don't need to be strictly nested. The following examples demonstrates overlapping of markup tags:: 
 
-    print("[bold]Bold[italic] bold and italic [/bold] italic[/italic]")
+    print("[bold]Bold[italic] bold and italic [/bold]italic[/italic]")
 
 Errors
 ~~~~~~

rich/markup.py

@@ -1,5 +1,5 @@
 import re
-from typing import Iterable, List, NamedTuple, Optional, Tuple, Union
+from typing import Iterable, List, Match, NamedTuple, Optional, Tuple, Union
 
 from .errors import MarkupError
 from .style import Style
@@ -46,7 +46,7 @@ def escape(markup: str, _escape=re.compile(r"(\\*)(\[[a-z#\/].*?\])").sub) -> st
         str: Markup with square brackets escaped.
     """
 
-    def escape_backslashes(match: re.Match[str]) -> str:
+    def escape_backslashes(match: Match[str]) -> str:
         """Called by re.sub replace matches."""
         backslashes, text = match.groups()
         return f"{backslashes}{backslashes}\\{text}"

tests/test_markup.py

@@ -24,9 +24,14 @@ def test_re_match():
 
 
 def test_escape():
+    # Potential tags
     assert escape("foo[bar]") == r"foo\[bar]"
     assert escape(r"foo\[bar]") == r"foo\\\[bar]"
 
+    # Not tags (escape not required)
+    assert escape("[5]") == "[5]"
+    assert escape("\\[5]") == "\\[5]"
+
 
 def test_render_escape():
     console = Console(width=80, color_system=None)